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If not, see 23 * <http://www.openoffice.org/license.html> 24 * for a copy of the LGPLv3 License. 25 * 26 ************************************************************************/ 27 28 // MARKER(update_precomp.py): autogen include statement, do not remove 29 #include "precompiled_forms.hxx" 30 #include "controlfeatureinterception.hxx" 31 #include "urltransformer.hxx" 32 33 /** === begin UNO includes === **/ 34 /** === end UNO includes === **/ 35 #include <tools/debug.hxx> 36 37 //........................................................................ 38 namespace frm 39 { 40 //........................................................................ 41 42 using namespace ::com::sun::star::uno; 43 using namespace ::com::sun::star::frame; 44 using namespace ::com::sun::star::util; 45 using namespace ::com::sun::star::lang; 46 47 //==================================================================== 48 //= ControlFeatureInterception 49 //==================================================================== 50 //-------------------------------------------------------------------- 51 ControlFeatureInterception::ControlFeatureInterception( const Reference< XMultiServiceFactory >& _rxORB ) 52 :m_pUrlTransformer( new UrlTransformer( _rxORB ) ) 53 { 54 } 55 56 //-------------------------------------------------------------------- 57 void SAL_CALL ControlFeatureInterception::registerDispatchProviderInterceptor( const Reference< XDispatchProviderInterceptor >& _rxInterceptor ) throw (RuntimeException ) 58 { 59 if ( !_rxInterceptor.is() ) 60 { 61 DBG_ERROR( "ControlFeatureInterception::registerDispatchProviderInterceptor: invalid interceptor!" ); 62 return; 63 } 64 65 if ( m_xFirstDispatchInterceptor.is() ) 66 { 67 // there is already an interceptor; the new one will become its master 68 Reference< XDispatchProvider > xFirstProvider( m_xFirstDispatchInterceptor, UNO_QUERY ); 69 _rxInterceptor->setSlaveDispatchProvider( xFirstProvider ); 70 m_xFirstDispatchInterceptor->setMasterDispatchProvider( xFirstProvider ); 71 } 72 73 // we are the master of the chain's first interceptor 74 m_xFirstDispatchInterceptor = _rxInterceptor; 75 m_xFirstDispatchInterceptor->setMasterDispatchProvider( NULL ); 76 // it's the first of the interceptor chain 77 } 78 79 //-------------------------------------------------------------------- 80 void SAL_CALL ControlFeatureInterception::releaseDispatchProviderInterceptor( const Reference< XDispatchProviderInterceptor >& _rxInterceptor ) throw (RuntimeException ) 81 { 82 if ( !_rxInterceptor.is() ) 83 { 84 DBG_ERROR( "ControlFeatureInterception::releaseDispatchProviderInterceptor: invalid interceptor!" ); 85 return; 86 } 87 88 Reference< XDispatchProviderInterceptor > xChainWalk( m_xFirstDispatchInterceptor ); 89 90 if ( m_xFirstDispatchInterceptor == _rxInterceptor ) 91 { // our chain will have a new first element 92 Reference< XDispatchProviderInterceptor > xSlave( m_xFirstDispatchInterceptor->getSlaveDispatchProvider(), UNO_QUERY ); 93 m_xFirstDispatchInterceptor = xSlave; 94 } 95 // do this before removing the interceptor from the chain as we won't know it's slave afterwards) 96 97 while ( xChainWalk.is() ) 98 { 99 // walk along the chain of interceptors and look for the interceptor that has to be removed 100 Reference< XDispatchProviderInterceptor > xSlave( xChainWalk->getSlaveDispatchProvider(), UNO_QUERY ); 101 102 if ( xChainWalk == _rxInterceptor ) 103 { 104 // old master may be an interceptor too 105 Reference< XDispatchProviderInterceptor > xMaster( xChainWalk->getMasterDispatchProvider(), UNO_QUERY ); 106 107 // unchain the interceptor that has to be removed 108 xChainWalk->setSlaveDispatchProvider( NULL ); 109 xChainWalk->setMasterDispatchProvider( NULL ); 110 111 // reconnect the chain 112 if ( xMaster.is() ) 113 { 114 xMaster->setSlaveDispatchProvider( Reference< XDispatchProvider >::query( xSlave ) ); 115 } 116 117 // if somebody has registered the same interceptor twice, then we will remove 118 // it once per call ... 119 break; 120 } 121 122 xChainWalk = xSlave; 123 } 124 } 125 126 //-------------------------------------------------------------------- 127 void ControlFeatureInterception::dispose() 128 { 129 // release all interceptors 130 Reference< XDispatchProviderInterceptor > xInterceptor( m_xFirstDispatchInterceptor ); 131 m_xFirstDispatchInterceptor.clear(); 132 while ( xInterceptor.is() ) 133 { 134 // tell the interceptor it has a new (means no) predecessor 135 xInterceptor->setMasterDispatchProvider( NULL ); 136 137 // ask for it's successor 138 Reference< XDispatchProvider > xSlave = xInterceptor->getSlaveDispatchProvider(); 139 // and give it the new (means no) successoert 140 xInterceptor->setSlaveDispatchProvider( NULL ); 141 142 // start over with the next chain element 143 xInterceptor = xInterceptor.query( xSlave ); 144 } 145 } 146 //-------------------------------------------------------------------- 147 Reference< XDispatch > ControlFeatureInterception::queryDispatch( const URL& _rURL, const ::rtl::OUString& _rTargetFrameName, ::sal_Int32 _nSearchFlags ) SAL_THROW((RuntimeException)) 148 { 149 Reference< XDispatch > xDispatcher; 150 if ( m_xFirstDispatchInterceptor.is() ) 151 xDispatcher = m_xFirstDispatchInterceptor->queryDispatch( _rURL, _rTargetFrameName, _nSearchFlags ); 152 return xDispatcher; 153 } 154 155 //-------------------------------------------------------------------- 156 Reference< XDispatch > ControlFeatureInterception::queryDispatch( const URL& _rURL ) SAL_THROW((RuntimeException)) 157 { 158 return queryDispatch( _rURL, ::rtl::OUString(), 0 ); 159 } 160 161 //-------------------------------------------------------------------- 162 Reference< XDispatch > ControlFeatureInterception::queryDispatch( const sal_Char* _pAsciiURL ) SAL_THROW((RuntimeException)) 163 { 164 return queryDispatch( m_pUrlTransformer->getStrictURLFromAscii( _pAsciiURL ) ); 165 } 166 167 //........................................................................ 168 } // namespace frm 169 //........................................................................ 170 171